Chironomus pallidivittatus

Author: (Malloch, 1915)

Diagnosis (n=1)
Exuviae 10.5mm long.
Cephalothorax: Cephalic tubercles LxB 125x135µm. Frontal setae 65µm long. Thoracic horn much branched; basal ring of horn 207x93µm; tracheal patch 158x50µm, 25 tracheoles across, 2µm in diameter, patch without an "eye". Thoracic granulation strong and extensive.
Abdomen: Hook row II entire, length of row 0.45x width tergite; hooks 76. Armament of tergites II-VI not strongly waisted, in the form of an undivided, usually extensive patch of strong points, the points in each segment increasing in size posteriorly. The point patches increase in extent from tergite II to V, but on VI the patch is more or less reduced; the posterior transverse band not successively increasing in extent to tergite VI; usually reduced on VI. Paratergite I shagreened for the whole length. Conjunctives IV and V finely spinulate. Pleura of segment IV smooth. Comb of segment VIII with 4 narrow teeth; comb on the end of an elongate ventral cuticular mound which exceeds appreciably the apico-lateral corner of the segment (100g.jpg , 100h.jpg). Lateral taeniae of segments V-VIII: 4,4,3/4,4/5.
Anal segment: Fringe of anal lobe with 143 taeniae.
Note: Pupal exuviae of type Chironomus pe3.
(Linked adult male: Langton and Pinder, 2003a)

Species keys out at Page 161: Chironomini 58 Chironomus of the Text Key.

Holarctic species: widespread in Europe.
(For more information see module IdentifyIt – file: Chironominae).

Ecological notes
Lakes and ponds.